Bulletin

An indispensable source of reference for anyone concerned with computer security, the Bulletin is the forum through which leading security researchers publish the latest security research and information in a bid to share knowledge with the security community. Publications cover the latest threats, new developments and techniques in the security landscape, opinions from respected members of the industry, and more. The Bulletin archives offer informative articles going back to 1989. Our editorial team is happy to hear from anyone interested in submitting a paper for publication.

In their VB2014 paper, Cathal Mullaney and Sayali Kulkarni demonstrate that targeting Linux-based Apache web servers is an active and extremely effective method of malware infection. They present an overview of Linux malware and a technical analysis…

The Blackbeard/Pigeon clickbot follows the path that was previously set by ZeroAccess. It uses a sophisticated method to stay persistent in a victim’s computer. Analysing this kind of threat is not a straightforward task, because the entire process…

An increasing number of developers are using certificates issued by Certificate Authorities (CAs) to create a more trustworthy environment for users. Although certificates should be used by legitimate developers only, we are seeing an increasing…

Exfiltration of data has been a feature of many attacks, where confidential customer information has been leaked to malicious actors - such infections can have disastrous effects on a company’s brand, customer loyalty, and competitive advantage. In…

It is reported that more than 1,400 financial institutions have been targeted by attackers using banking trojans, and the top 15 targeted financial institutions were attacked by more than 50 per cent of the trojans in 2013. One major tactic of…

Tech support scams have been around for a long time, and despite all the attention they have received, they are only getting worse. Scammers are diversifying - no longer just using the Microsoft cold-calling technique but now also using deceptive ads…

Obfuscation techniques have become increasingly prevalent in malware programs as tools to thwart reverse engineering efforts and evade signature-based detection by security products. Among the most popular methods is the use of packers, which are…

APT campaigns are typically described with awe surrounding the technical achievements enabled by the level of resources and capacity conceivably available only to nation-state governments and intelligence agencies, often dubbed APT groups. These…

These days, we see an increasing number of new pieces of ransomware for Android devices. They adopt new social engineering, communication and encryption techniques such as the use of Tor and advanced encryption algorithms (RSA-1024 and even elliptic…

In mid-1997, new viruses and variants were appearing at over 250 per month, and according to Peter Morley, "Any organization which cannot process 300 viruses per month in times of stress, has no chance of keeping in the game." He split anti-virus…